Ask Dr. Math is a site maintained at Drexel university that offers help with math problems and questions. The site is easily searchable and the FAQs are particularly interesting. It also includes links to other math sites.

George Hart has built a fascinating resource of polyhedra. He is a sculptor and professor at SUNY. His site links to hundreds of Web pages relating to the geometry and beauty of polyhedra.

This site contains a variety of tutorials ranging from algebra to calculus and statistics. There are links to careers in mathematics and the history of mathematics. This is a commercial site and has some pop-ups.

The National Curve Bank collects and maintains a data bank of Web links and animated or interactive Web resources on the geometric, algebraic, and historical aspects of curves

The Whatcom Community College Online Math Center offers mathematics help sites for students, and teachers" resources. It includes an extensive list of links to other math sites.

Calculus The numbers next to each site are the rating, 1 to 5, given by the calculus students. A 4.4/10 means that an average rating of 4.4 was given by 10 students.

Calc101 (3.6/10)

Derivative and integration calculator (free solution but must pay for steps).